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    TWC
    2008
    139views more  TWC 2008»
    Optimal and Suboptimal Power Allocation Schemes for OFDM-based Cognitive Radio Systems
    13 years 11 months ago
    Optimal and Suboptimal Power Allocation Schemes for OFDM-based Cognitive Radio Systems
    Download  lanada.kaist.ac.kr
    In this paper, we investigate an optimal power loading algorithm for an OFDM-based cognitive radio (CR) system. The downlink transmission capacity of the CR user is thereby maximiz...
    Gaurav Bansal, Md. Jahangir Hossain, Vijay K. Bhar...
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    TIT
    2008
    74views more  TIT 2008»
    Sum Capacity of One-Sided Parallel Gaussian Interference Channels
    13 years 11 months ago
    Sum Capacity of One-Sided Parallel Gaussian Interference Channels
    Download  www.ee.cityu.edu.hk
    Abstract--The sum capacity of the one-sided parallel Gaussian interference channel is shown to be a concave function of user powers. Exploiting the inherent structure of the proble...
    Chi Wan Sung, Kenneth Wing-Kin Lui, Kenneth W. Shu...
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